A power supply company states that it has a target power supply of 119 volts. company's claim so she collected data from 30 random family homes and calculated the following sample statistics: i =...

Extracted text: A power supply company states that it has a target power supply of 119 volts. company's claim so she collected data from 30 random family homes and calculated the following sample statistics: i = 118.89 volts, s = 0.35 volts. Use a 0.01 significance level to test the claim that the mean power supply is 119 volts. 7. researcher wants to test the Show all of your work. a) Identify the null and alterative hypotheses, test statistic, and P-value. Round to three decimal places. b) State the final conclusion that addresses the original claim.